The condition in which the male and female reproductive organs of a flower mature at different times, thereby ensuring that self-fertilization does not occur. Compare homogamy. See also protandry; protogyny.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。